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move vdd pins around to make routing nice

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This commit is contained in:
SWalker
2023-10-31 23:24:21 -07:00
parent 5c22e382b5
commit ddba3b3718
3 changed files with 16 additions and 10 deletions
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compiler/modules/rom_wordline_driver_array.py
+4 -6
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@@ -88,8 +88,6 @@ class rom_wordline_driver_array(design):
Add a pin for each row of vdd/gnd which
are must-connects next level up.
"""
# self.route_vertical_pins("vdd", self.wld_inst, xside="cx", layer=self.supply_layer)
# self.route_vertical_pins("gnd", self.wld_inst, xside="cx", layer=self.supply_layer)
if not self.invert_outputs:
vdd_pins = [pin for inst in self.wld_inst for pin in inst.get_pins("vdd")]
gnd_pins = [pin for inst in self.wld_inst for pin in inst.get_pins("gnd")]
@@ -110,13 +108,13 @@ class rom_wordline_driver_array(design):
# Place the top level supply pins on the edge of the module
for pin in self.get_pins("gnd_tmp"):
bottom = vector(pin.cx(), pin.by() - 0.5 * supply_width)
top = vector(pin.cx(), pin.uy() + 0.5 * supply_width)
bottom = vector(pin.cx(), pin.by())
top = vector(pin.cx(), pin.uy())
self.add_layout_pin_rect_ends(layer=self.supply_layer, start=bottom, end=top, name="gnd")
for pin in self.get_pins("vdd_tmp"):
bottom = vector(pin.cx(), pin.by() - 0.5 * supply_width)
top = vector(pin.cx(), pin.uy() + 0.5 * supply_width)
bottom = vector(pin.cx(), pin.by())
top = vector(pin.cx(), pin.uy())
self.add_layout_pin_rect_ends(layer=self.supply_layer, start=bottom, end=top, name="vdd")